CVE-2021-35005 Information disclosure in TeamViewer
Local attackers can disclose sensitive information via an out-of-bounds read in TeamViewer, potentially leading to arbitrary code execution with SYSTEM privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-35005?
CVE-2021-35005 is a low-severity vulnerability in TeamViewer, published on 24 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows local attackers to disclose sensitive information on affected installations of TeamViewer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the TeamViewer service. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated array. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-13818.
Which versions are affected by CVE-2021-35005?
It affects 1 product.
Products include Teamviewer Teamviewer.
How do I fix CVE-2021-35005?
No fix has been published for CVE-2021-35005 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-35005 being exploited?
There is no known exploitation of CVE-2021-35005 in the wild and no public exploit code.
Other vulnerabilities in TeamViewer
Sources
Also known as GHSA-9j8g-8qg8-33fc.